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Impact Window Playbook

CGI Impact Resistant Windows & Doors

CGI Impact Resistant Windows & Doors is a laminated-glass OEM, not CGI software. The brand site states that it is now part of the PGT portfolio and lists Sentinel, Sparta by PGT, and SCOUT by PGT. Warranty copy on that page covers purchases made before 12/15/2025. A dealer review lists a brand sunset on October 31, 2025.

Sources: cgiwindows.com; Armor Pro CGI review

Last updated: August 23, 2026

What names does the OEM homepage still list?

Published nameWhere it appears
CGI Impact Resistant Windows & DoorsNow part of the PGT portfolio
SentinelLegacy CGI product line
Sparta by PGTLegacy CGI product line on the CGI site
SCOUT by PGTLegacy CGI product line on the CGI site
Purchases made before 12/15/2025Warranty information prompt

Source: CGI Windows

What extra history does the dealer review list?

The dealer review states that in 1994 CGI became the first manufacturer of hurricane windows and doors to offer laminated glass that met Miami-Dade County impact standards, and that existing NOA approvals remain valid after the brand ending.

Source: Armor Pro CGI Windows & Doors Review

Live PGT collection names: pgt impact windows.

Frequently asked questions

Is CGI Impact Resistant Windows & Doors the software company?

No. CGI Impact Resistant Windows & Doors is a fenestration OEM. Its site states CGI Impact Resistant Windows & Doors is now part of the PGT portfolio, with legacy lines Sentinel, Sparta by PGT, and SCOUT by PGT.

What happened to the CGI brand on October 31, 2025?

A Florida dealer review states CGI Windows & Doors was discontinued on October 31, 2025 when MITER Brands sunset the brand, sunset Sentinel, Estate, and all French door models, and that Sparta was rebranded as PGT Sparta.

What names does the CGI OEM homepage still list?

The brand site lists CGI Impact Resistant Windows & Doors as now part of the PGT portfolio, and lists Sentinel, Sparta by PGT, and SCOUT by PGT as legacy lines. Warranty copy on that page covers purchases made before 12/15/2025.

What extra 1994 history does the dealer review say about CGI?

The dealer review states that in 1994 CGI became the first manufacturer of hurricane windows and doors to offer laminated glass that met Miami-Dade County impact standards, and that existing NOA approvals remain valid after the brand ending.